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Finding the Fourth Proportional to 262,038.42, 392,960.93 and 93,513.66

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Solution

The fourth proportional to 262,038.42, 392,960.93 and 93,513.66 is: 140,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,038.42 : 392,960.93 = 93,513.66 : x
  2. Step 2: Convert to fraction form
    262,038.42/392,960.93 = 93,513.66/x
  3. Step 3: Cross multiply
    262,038.42x = 392,960.93 × 93,513.66
  4. Step 4: Simplify right side
    262,038.42x = 36,747,214,801.30
  5. Step 5: Solve for x
    x = 36,747,214,801.30/262,038.42
  6. Step 6: Final answer
    x = 140,235.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.